A type of ladder that is non-adjustable in length and consists only of one section.

A type of ladder that is adjustable in length.

A type of ladder that are single equipped with folding hooks at the top end which provides means to anchor the ladder over the roof ridge or other roof parts

These are single that have hinges rungs, allowing them to be folded up so that one beam rests against the other.

A type of ladder that is power operated metal ladder mounted on specially build chassis.

A ladder wherein the features are a combination of both aerial ladder equipment and elevating platforms. 

These are not considered to be ladders, this apparatus has some features similar to aerial ladder but it is primarily a portable elevator controlled by an operator.

A ladder that consists of a large gooseneck hook at the tip with a single bed through which the rungs project.

These are extension ladders that have stay poles for added stability.

These are designed so that they may be use as single extension or frame ladder

It is an apparatus consisting of two or more boom sections within enclosed platform attached to the top of the boom.